"The 10 percent tariff the president said he might impose in March could cause U.S. refineries to cut production and lead to higher prices."

"The largest refinery in the Midwest will have an unpalatable choice if President Trump imposes tariffs on Canadian oil: Pay more for the crude that it transforms into gasoline and diesel, or slash production.

Both options threaten to increase prices at the pump, albeit modestly if Mr. Trump sticks with the 10 percent rate he announced this month.

It is not clear whether the tariff will take effect after Mr. Trump decided to hold it in abeyance until at least early March.

Yet this refinery, built around 1889 on the south shore of Lake Michigan, near Chicago, is a reminder of just how difficult it can be to undo trade ties that go back decades."

Rebecca F. Elliott reports for the New York Times February 11, 2025. [2]